package com.atguigu.gulimall.ware.listener;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.to.mq.OrderTo;
import com.atguigu.common.to.mq.StockDetailTo;
import com.atguigu.common.to.mq.StockLockedTo;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.ware.entity.WareOrderTaskDetailEntity;
import com.atguigu.gulimall.ware.entity.WareOrderTaskEntity;
import com.atguigu.gulimall.ware.service.WareSkuService;
import com.atguigu.gulimall.ware.vo.OrderVo;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;

/**
 * 库存释放监听器
 */
@Service
@RabbitListener(queues = "stock.release.stock.queue")
public class StockReleaseListener {

    //解锁库存服务
    @Autowired
    WareSkuService wareSkuService;
    /**
     * 1.库存
     * 订单成功,库存锁定成功,接下来的业务调用失败,导致订单回滚.之前锁定的库存就要自动解锁
     * 2.订单失败
     * 锁库存失败
     *
     * 只要解锁库存的消息失败.一定要告诉服务解锁失败
     * @param to
     * @param message
     */
    //库存锁定释放请求
    @RabbitHandler
    public void handleStockLockedRelease(StockLockedTo to, Message message, Channel channel) throws IOException {
        //得到解锁消息
        System.out.println("收到解锁库存的消息");
        //尝试
        try{
            //解锁库存
            wareSkuService.unlockStock(to);
            //回复成功
            channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
        }catch (Exception e){//消息消费失败
            //归队
            channel.basicReject(message.getMessageProperties().getDeliveryTag(),true);
        }
    }
    //订单关闭释放库存
    @RabbitHandler
    public void handleOrderCloseRelease(OrderTo orderTo,Message message, Channel channel) throws IOException {
        //打印
        System.out.println("订单关闭准备解锁库存...");
        //尝试
        try{
            //解锁库存
            wareSkuService.unlockStock(orderTo);
            //回复成功
            channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
        }catch (Exception e){
            //归队
            channel.basicReject(message.getMessageProperties().getDeliveryTag(),true);
        }

    }
}
